Dweets awesomed by u/hakluke

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #Opposites

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hakluke

remix of d/23433 by u/hakluke

function u(t) {

for(x.fillRect(p=710/99,0,i=c.width|=f=g=>222*g(i/9%1*p)+(500+300*C(a=p*i/96))*g(a/20+(i&1?t:-t)),i);i--;)x.clearRect(960+f(C),540+f(S),7,7)

Jul 29 2021 3:10 PM UTC

}// 140/140

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flys

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hakluke

remix of d/23273 by u/pavel

function u(t) {

for(x.fillRect(p=710/113,0,i=c.width|=f=g=>300*g(i/99%1*p)+(134+9*C(a=p*i/96))*g(a/20+(i&1?t:-t)),i);i--;)x.clearRect(960+f(C),540+f(S),7,7)

Jul 29 2021 3:05 PM UTC

}// 140/140

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hakluke

function u(t) {

c.width=1920
for (let i = 0; i < 100; i++) {
x.arc(20*i, 500, 100*t, 0, t*0.5* Math.PI);
x.stroke()
}

Jul 29 2021 2:59 PM UTC

}// 101/140

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Circles

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KilledByAPixel

remix of d/23418 by u/KilledByAPixel

function u(t) {

c.width|=A=Math.abs
for(i=w=98;i--;x.rect(T*i+25,A(T*i-951)+1e3*((t+i/2)%1-.5)**2,T=49,T))x.rect(q=w*(i+t%1-1),300+A(q-951),w,-2e3)
x.fill()

Jul 29 2021 4:10 AM UTC

}// 140/140

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The March of Progress ▲

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KilledByAPixel

remix of d/23416 by u/KilledByAPixel

function u(t) {

c.width|=A=Math.abs
for(i=w=99;i--;x.arc(q=i*88,A(q-1e3)+800*((t-i/9+w)%1-.5)**2,30,0,9))x.rect(q=w*(i-t%1)-50,230+A(q-950),w,2e3)
x.fill()

Jul 28 2021 5:56 PM UTC

}// 139/140

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Bouncy Mountain ⛰️

u/katkip

interesting

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Tekmap

remix of d/8702 by u/cantelope

function u(t) {

for(x.fillRect(0,0,i=(w=960)*2,i);i--;x.clearRect(w+(v=S(q=i/305+t)*Z)/(Z=C(q)*Z-8)*w,(S(i)-3)/Z*w-99,s=50/Z,s),x.fillStyle=R(v*40))Z=T(i)+2

Jul 9 2021 2:30 PM UTC

}// 140/140

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magna

function u(t) {

c.width=192
c.style.filter='invert(1'
x.font='2cm"'
for(i=0;i<2;x.fillText([...'🌑🌒🌓🌔🌕🌖🌗🌘'][t+i++&7],59,83))x.globalAlpha=i?t%1:1

Jul 7 2021 11:45 PM UTC

}// 128/140

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Phases of the moon #time

u/Toby

Really cool. Great idea!

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pavel

function u(t) {

with(x)for(i=m=2e3;i--;m=beginPath(fill(arc(960+r*C(a=(9-j)*t+i/69),540+r*S(a),m||i%222/22,0,7))))j=i/222|0,r=99+50*j,fillStyle=m?R():'#6e5'

Jul 5 2021 10:19 PM UTC

}// 140/140

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https://twitter.com/concinnus/status/1412154…

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